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A random signal X can be observed only in the presence of independent addictive noise N. The observed quantity is Y = X + N.The joint probability density function of X and Y is
f(x,y) = K exp[-(x2 + y2 + 4xy)] all x and y
a. Find a general expression for the best estimate of X as function of the observation Y =y.
b. If the observed value of Y is y = 3, find the best estimate of X.
What are the names of the three regions of the bipolar junction transistor Why is there a thin region of one material type "sandwiched" between two layers of the opposite material type
For a transfer function with a pair of complex zeros located on the j (omega)-axis, what happens to the frequency response as the frequency applied to the system approaches the value at which the zeros are located
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A turnstile antenna consists of two crossed dipole antennas. in this case, located in the x-y plane - the dipoles are also identical and lie on the x and y axes respectively and are both fed at the origin assume the equal currents are supplied
A 60-Hz source supplies power to an industrial load through a transmission line of impedance (0.2+ j0.1) ohms. The load consumes 130 kW of power at line voltage VL= 440
Assuming exact valued resistors what output voltage (measure to ground) and equivalent output resistance result if the resistor used are not ideal but have a +-5% manufacturing tolerance what are the extreme output voltafes and resistances that ca..
Describe the characteristics of the series RC filter circuit with the output across the resistive component. Distinguish the pass and stop bands with reference to the cutoff frequency. Also, state what happens to the circuit complex impedance at t..
what are the most important factors that should be considered when designing a parabolic dish antenna Compute the directivity, beam-width and effective area for a 6m diameter dish antenna for which illumination efficiency is considered
a. Sketch the spectrum of the sampled signal up to 20 KHz. b. Sketch the recovered analog signal if an ideal (brick wall) low pass filter with a cutoff frequency of 4 KHz is used to filter the sampled signal in order to recover the orig..
Please list the properties of Discrete Fourier Transform. Explain each property with an example to show what it means physically and explain the physical meaning of Z Transform
A single, common-anode, 7-segment LED is connected to the Arduino Connector J1 through current-limiting resistors. The diagram in Figure 1 shows the mapping of the pins of the connector to the pins of the 7-segment.
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